What would you observe when :
(a) blue litmus is introduced into a solution of hydrogen chloride gas,
(b) red litmus paper is introduced into a solution of ammonia in water,
(c) red litmus paper is introduced in caustic soda solution?
What happens when [5 MARKS]
a) A red litmus paper is dipped in a solution of calcium hydroxide.
b) A red litmus paper is dipped in a solution of sodium chloride.
c) A blue litmus paper is dipped in lemon juice.
d) A red litmus paper is dipped in distilled water.
e) A solution of sodium hydroxide is added to turmeric.